user
Outline the main points of a speech on green energy.


assistant
1. Introduction to Green Energy: Definition, Overview, and Benefits 
2. Types of Green Energy: Solar Energy, Wind Energy, Geothermal, and Hydropower
3. Renewable Energy Technologies: Carbon Capture and Sequestration, Wave Power, Tidal Power and Ocean Thermal Energy Conversion
4. Current and Future Uses: Grid power, Battery Storage Systems, Transportation, Heating and Cooling Systems
5. Key Challenges of Green Energy: Cost, Dependence on Weather Conditions, Effects on the Environment
6. Policy Considerations for Green Energy: Subsidies and Incentives, Carbon Taxation, Grid Innovations
7. Conclusion: Go Green, Save the Planet